package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.DishFlavor;
import com.itheima.reggie.serive.CategoryService;
import com.itheima.reggie.serive.DishFlavorService;
import com.itheima.reggie.serive.DishService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/dish")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private DishFlavorService dishFlavorService;
    @Autowired
    private CategoryService categoryService;

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize,String name){
        Page<Dish> pageInfo = new Page(page,pageSize);
        Page<DishDto> dishDtoPage = new Page();
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper();
        queryWrapper.like(StringUtils.isNotEmpty(name), Dish::getName, name);
//        queryWrapper.orderByDesc(DishFlavor::get)

//        if(name!=null){
        dishService.page(pageInfo,queryWrapper);
        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");
        List<Dish> records = pageInfo.getRecords();
        List<DishDto> list = records.stream().map((item)->{
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
        if(category!=null){
            String categoryName = category.getName();
            dishDto.setCategoryName(categoryName);
        }
            return dishDto;
        }).collect(Collectors.toList());
        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);
    }

    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
//        log.info(dishDto.toString());
        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }

    @GetMapping("/{id}")
    public R<DishDto> add(@PathVariable Long id){
          DishDto dishDto =  dishService.getByIdWithFlavor(id);
        return  R.success(dishDto) ;
    }
    @PutMapping
    public R<String> saveTo(@RequestBody DishDto dishDto){
//        log.info(dishDto.toString());
        dishService.updateWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }

    /**
     * 根据条件查询菜品数据
     * @param dish
     * @return
     */

    @GetMapping("/list")
    public R<List<Dish>> list(Dish dish){
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        queryWrapper.eq(Dish::getStatus,1);
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list = dishService.list(queryWrapper);
//        List<DishDto> dishDtoList = list.stream().map((item)->{
//            DishDto dishDto = new DishDto();
//            BeanUtils.copyProperties(item,dishDto);
//            Long categoryId = item.getCategoryId();
//            Category category = categoryService.getById(categoryId);
//            if(category!=null){
//                String categoryName = category.getName();
//                dishDto.setCategoryName(categoryName);
//            }
//            LambdaQueryWrapper<DishFlavor> dishFlavorLambdaQueryWrapper = new LambdaQueryWrapper<>();
//            dishFlavorLambdaQueryWrapper.eq( DishFlavor::getDishId,item.getId());
//            List<DishFlavor> dishFlavors = dishFlavorService.list(dishFlavorLambdaQueryWrapper);
//            dishDto.setFlavors(dishFlavors);
//            return dishDto;
//        }).collect(Collectors.toList());
        return R.success(list);
    }
}
